Notion to shut down email app Notion Mail

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Notion acquired Skiff, an encrypted email and productivity software startup, in February 2024. Within a year, Notion shut down Skiff's email service, taking @skiff.com email addresses with it. In April 2025, Notion released Notion Mail, a Gmail client primarily built by people who joined Notion through the Skiff acquisition.

Today, Notion announced that it's shutting down Notion Mail, effectively killing what little remained of Skiff email. In an X post, Notion said that it will shutter the Notion Mail inbox across web, desktop, and iOS on September 22. The post claimed that most Notion users don't use email clients anyway and instead rely on AI agents to handle their electronic correspondence.

It reads: The reason behind this decision seems to be a shift in user behavior, with most Notion users opting for AI agents over traditional email clients. This move raises questions about the future of email services and their integration with productivity software. Why this matters: Notion's decision to shut down Notion Mail reflects a larger trend in the productivity software industry, where AI-powered tools are increasingly becoming the norm.

For developers and businesses, this means that integrating AI agents into their workflows may become a priority. For consumers, it may mean a shift towards more automated and streamlined communication tools. However, it also raises questions about the role of email in the modern workplace and whether traditional email clients will become a thing of the past.

As the industry continues to evolve, one thing is clear: companies like Notion are betting big on AI to shape the future of productivity and communication.